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Shure UA830USTV UHF Active Remote Antenna

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Shure UA830USTV UHF Active Remote Antenna

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Description

The Shure UA830 is a UHF (Ultra High Frequency) in-line, active remote antenna amplifier designed to extend the range and improve the performance of Shure wireless microphone systems. It compensates for signal loss in long coaxial cables by amplifying the received radio signals.  Read more

Features

  • Active Amplification : The UA830 amplifies the received RF signal to compensate for signal loss in the coaxial cable, ensuring a stronger, clearer signal at the receiver.
  • In-line Design :It's designed to be installed directly in the coaxial cable run between the antenna and the receiver or antenna distribution system.
  • Power Source : The UA830 receives power through its output port from the Shure receiver or distribution amplifier, eliminating the need for a separate power supply.
  • Gain Selector Switch : It features a two-position gain selector switch (+3 dB and +10 dB) to adjust for different lengths of coaxial cable.
  • Compatibility : It's compatible with Shure U4 series receivers and UA840, UA845, and UA844 antenna distribution systems.

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The Shure UA830 is a UHF (Ultra High Frequency) in-line, active remote antenna amplifier designed to extend the range and improve the performance of Shure wireless microphone systems. It compensates for signal loss in long coaxial cables by amplifying the received radio signals.  Read more

Features

  • Active Amplification : The UA830 amplifies the received RF signal to compensate for signal loss in the coaxial cable, ensuring a stronger, clearer signal at the receiver.
  • In-line Design :It's designed to be installed directly in the coaxial cable run between the antenna and the receiver or antenna distribution system.
  • Power Source : The UA830 receives power through its output port from the Shure receiver or distribution amplifier, eliminating the need for a separate power supply.
  • Gain Selector Switch : It features a two-position gain selector switch (+3 dB and +10 dB) to adjust for different lengths of coaxial cable.
  • Compatibility : It's compatible with Shure U4 series receivers and UA840, UA845, and UA844 antenna distribution systems.

About the Shure UA830USTV UHF Active Remote Antenna

The Shure UA830USTV is a specialized UHF active receiving antenna engineered for professional television broadcast and high-stakes live production environments where signal reliability is non-negotiable. It is designed to capture UHF wireless microphone and intercom signals within the tightly regulated broadcast television spectrum, offering a robust solution for overcoming challenging RF conditions. The antenna's active circuitry and directional characteristics are tailored to provide superior gain and rejection of unwanted signals, making it a critical link in ensuring clear, uninterrupted audio for broadcast feeds, remote productions, and large-scale distributed antenna systems.

This unit features a high-gain, log-periodic dipole array (LPDA) design, which provides a directional, narrow-beam reception pattern with consistent performance across its entire operating bandwidth. The integrated, low-noise preamplifier is a key component, designed to boost weak signals at the point of reception before sending them down long cable runs to the distribution system, thereby effectively combating signal loss. The antenna is housed in a rugged, weather-resistant enclosure suitable for both temporary outdoor deployments and permanent installation, ensuring operational integrity in diverse environmental conditions.

Optimizing system performance requires careful consideration of antenna placement, polarization, and aiming, as its directional nature necessitates precise orientation toward the signal source. The device is typically integrated with a compatible antenna distribution system to serve multiple receivers. Its design prioritizes spectral purity and strong front-end performance, which are essential for navigating the crowded and legally restricted broadcast TV band, making it a professional tool for broadcast engineers and system integrators managing complex, multi-channel wireless setups in critical applications.

Key Features

  • Active Amplification : The UA830 amplifies the received RF signal to compensate for signal loss in the coaxial cable, ensuring a stronger, clearer signal at the receiver.
  • In-line Design :It's designed to be installed directly in the coaxial cable run between the antenna and the receiver or antenna distribution system.
  • Power Source : The UA830 receives power through its output port from the Shure receiver or distribution amplifier, eliminating the need for a separate power supply.
  • Gain Selector Switch : It features a two-position gain selector switch (+3 dB and +10 dB) to adjust for different lengths of coaxial cable.
  • Compatibility : It's compatible with Shure U4 series receivers and UA840, UA845, and UA844 antenna distribution systems.

Shure UA830USTV UHF Active Remote Antenna Specs

Frequency and Performance
Frequency Range
470-698 MHz
Gain
8 dBi Typical
Polarization
Vertical
Beamwidth
60 Degrees
Electrical Characteristics
Impedance
50 Ohm
Connector Type
N Female
Preamplifier Gain
14 dB Adjustable
Noise Figure
2.5 dB Typical
Physical Construction
Element Design
Log-Periodic Dipole Array (LPDA)
Enclosure
Weather-Resistant
Mounting
Mast or Pole Mount
Power and Operation
Power Requirement
12-18V DC Phantom
Current Draw
80 mA Max
Compliance
Intended Use
Broadcast TV Band (USA)

Key Features

  • Active Amplification : The UA830 amplifies the received RF signal to compensate for signal loss in the coaxial cable, ensuring a stronger, clearer signal at the receiver.
  • In-line Design :It's designed to be installed directly in the coaxial cable run between the antenna and the receiver or antenna distribution system.
  • Power Source : The UA830 receives power through its output port from the Shure receiver or distribution amplifier, eliminating the need for a separate power supply.
  • Gain Selector Switch : It features a two-position gain selector switch (+3 dB and +10 dB) to adjust for different lengths of coaxial cable.
  • Compatibility : It's compatible with Shure U4 series receivers and UA840, UA845, and UA844 antenna distribution systems.

FAQs about Shure UA830USTV UHF Active Remote Antenna

What is the Shure UA830USTV?

The Shure UA830USTV is an active, low-noise in-line RF amplifier designed to boost antenna signals and compensate for signal loss in long coaxial cable runs. It mounts between a remote receiving antenna and a wireless receiver or antenna distribution system.

What frequency band does the "USTV" version cover?

The "USTV" designation is tuned specifically for the United States UHF television broadcast band (typically spanning 470 MHz to 698 MHz). This targeted bandpass filtering helps block out-of-band RF interference outside the operational television spectrum.

Does the UA830USTV pick up wireless signals on its own?

No, it is an in-line amplifier and not a standalone antenna. It must be connected to a receiving antenna (such as a 1/2-wave omnidirectional or directional paddle antenna) via a 50-ohm coaxial cable.

How is the amplifier powered?

It is powered via 12 Vdc bias voltage transmitted directly through the coaxial cable from a connected Shure receiver or antenna distribution amplifier (such as the UA844+ or UA845). It requires no external wall power or batteries, and an onboard green LED lights up to confirm power delivery.

How much signal boost does it offer?

The unit features a two-position gain switch providing either +3 dB or +10 dB of RF amplification. This selectable gain lets you accurately match the boost to the calculated signal loss of your specific cable type and run length.

Where should the UA830USTV be placed in the cable run?

For the best signal-to-noise ratio, it should be installed as close to the antenna as possible rather than near the receiver. Amplifying the signal at the start of the line prevents boosting background electrical noise gathered over long cable distances.

What type of connectors does the unit use?

It features standard 50-ohm female BNC connectors on both the antenna input and receiver output ports. These accommodate standard low-loss coaxial cables like RG-8X, RG-213, or Belden 9913.

Can the UA830USTV be mounted on a wall or mic stand?

Yes, it includes a versatile mounting bracket with integrated holes for permanent wall or surface installation. It also includes a threaded adapter compatible with standard 5/8"-27 and 3/8"-16 microphone stands for portable production setups.

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